Samsung EV-NXF1ZZB1QUS - Manual (Page 81)

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Shooting Functions >
Face Detection
Wink Shot
The camera automatically releases the shutter 2 seconds after it detects a
winking face.
‡ Wink for more than 1 second for better detection.
‡ Wink detection may fail when:
-
the camera is below eye level
- the subject appears dark due to backlighting
-
the subject is wearing glasses
-
the subject is far from the camera
Smile Shot
The camera automatically releases the shutter when it detects a smiling
face.
When your subject smiles broadly, your camera can detect the smile more easily.